<template>
    <div class='login-wrap'>
        <div class='ms-login'>
            <div class='ms-title'>电影院会员管理系统</div>
            <el-form :model='param' :rules='rules' ref='login' label-width='0px' class='ms-content'>
                <el-form-item prop='username'>
                    <el-input v-model='param.managerId' placeholder='managerId'>
                        <el-button slot='prepend' icon='el-icon-lx-people'></el-button>
                    </el-input>
                </el-form-item>
                <el-form-item prop='password'>
                    <el-input
                        type='password'
                        placeholder='password'
                        v-model='param.password'
                        @keyup.enter.native='submitForm()'
                    >
                        <el-button slot='prepend' icon='el-icon-lx-lock'></el-button>
                    </el-input>
                </el-form-item>
                <div class='login-btn'>
                    <el-button type='primary' @click='submitForm()'>登录</el-button>
                </div>
                <p class='login-tips'>Tips : 默认账号为admin，密码为123123。</p>
            </el-form>
        </div>
    </div>
</template>

<script>
    import { managerLogin } from '../../api';

    export default {
        data: function() {
            return {
                param: {
                    managerId: '',
                    password: ''
                },
                rules: {
                    managerId: [{ required: true, message: '请输入用户名', trigger: 'blur' }],
                    password: [{ required: true, message: '请输入密码', trigger: 'blur' }]
                }
            };
        },
        methods: {
            submitForm() {

                /*this.$refs.formName.validate()登录验证函数，formName是form的ref属性,使用此方法前检查prop一定必须要写在<el-form-item>上面*/
                this.$refs.login.validate(valid => {
                    if (valid) {
                        managerLogin(this.param).then(res => {
                                if (res.status == 200) {
                                    this.$message.success('登录成功');
                                    //当提交之后，将当前输入的用户名存储到localStorage中
                                    localStorage.setItem('managerId', this.param.managerId);
                                    /*router.push(location)
                              想要导航到不同的 URL，则使用 router.push 方法。
                              这个方法会向 history 栈添加一个新的记录，所以，当用户点击浏览器后退按钮时，则回到之前的 URL。
                              当你点击 <router-link> 时，这个方法会在内部调用，所以说，点击 等同于调用 router.push(…)。*/
                                    this.$router.push('/');
                                } else {
                                    this.$message.error('账号或者密码错误，请重新输入！');
                                    return false;
                                }
                            }
                        );

                    } else {
                        this.$message.error('请输入账号和密码');
                        console.log('error submit!!');
                        return false;
                    }

                });
            }
        }
    };
</script>

<style scoped>
    .login-wrap {
        position: relative;
        width: 100%;
        height: 100%;
        background-image: url(../../assets/img/222.jpg);
        background-size: 100%;
    }

    .ms-title {
        width: 100%;
        line-height: 50px;
        text-align: center;
        font-size: 20px;
        color: #ffffff;
        border-bottom: 1px solid #ddd;
    }

    .ms-login {
        position: absolute;
        left: 50%;
        top: 50%;
        width: 350px;
        margin: -190px 0 0 -175px;
        border-radius: 5px;
        background: rgba(255, 255, 255, 0.3);
        overflow: hidden;
    }

    .ms-content {
        padding: 30px 30px;
    }

    .login-btn {
        text-align: center;
    }

    .login-btn button {
        width: 100%;
        height: 36px;
        margin-bottom: 10px;
    }

    .login-tips {
        font-size: 12px;
        line-height: 30px;
        color: #000000;
    }
</style>
